Home / 627,200.52-865,531.94-340,722.65

Finding the Fourth Proportional to 627,200.52, 865,531.94 and 340,722.65

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Solution

The fourth proportional to 627,200.52, 865,531.94 and 340,722.65 is: 470,194.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,200.52 : 865,531.94 = 340,722.65 : x
  2. Step 2: Convert to fraction form
    627,200.52/865,531.94 = 340,722.65/x
  3. Step 3: Cross multiply
    627,200.52x = 865,531.94 × 340,722.65
  4. Step 4: Simplify right side
    627,200.52x = 294,906,330,225.17
  5. Step 5: Solve for x
    x = 294,906,330,225.17/627,200.52
  6. Step 6: Final answer
    x = 470,194.65

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.